package mysql

import (
	"gorm.io/gorm"
	"newgoods/goodsrpc/goodsrpc"
)

type Goods struct {
	gorm.Model
	Name    string  `gorm:"type:varchar(30);not null;comment:'商品名称'"`
	Price   float64 `gorm:"type:decimal(10,2);not null;comment:'商品价格'"`
	Stock   int64   `gorm:"type:int(11);not null;comment:'商品库存'"`
	Image   string  `gorm:"type:varchar(30);not null;comment:'商品图片'"`
	ClassId int64   `gorm:"type:int(11);not null;comment:'分类id'"`
}

func (g *Goods) GoodsAdd(db *gorm.DB) error {
	return db.Debug().Create(g).Error
}

func (g *Goods) FindGoodsByName(db *gorm.DB, name string) error {
	return db.Debug().Where("name = ?", name).First(g).Error
}

func GoodsList(db *gorm.DB, lists []*goodsrpc.GoodsList, in *goodsrpc.GoodsListRequest) []*goodsrpc.GoodsList {
	tx := db.Debug().Model(&Goods{}).
		Select("goods.id as goods_id,goods.name as goods_name,goods.price as price,goods.stock as stock,goods.image as image,classes.name as class_name,goods.created_at").
		Joins("LEFT JOIN classes ON classes.id = goods.class_id")

	if in.GoodsName != "" {
		tx.Where("goods.name like ?", "%"+in.GoodsName+"%")
	}

	if in.ClassName != "" {
		tx.Where("classes.name = ?", in.ClassName)
	}

	if in.StartPrice > 0 {
		tx.Where("goods.price >= ?", in.StartPrice)
	}

	if in.EndPrice > 0 {
		tx.Where("goods.price <= ?", in.EndPrice)
	}

	if in.StartCreatedAt != "" {
		tx.Where("goods.created_at >= ?", in.StartCreatedAt)
	}

	if in.EndCreatedAt != "" {
		tx.Where("goods.created_at <= ?", in.EndCreatedAt)
	}

	tx.Find(&lists)
	return lists
}
